As to the horse-leech. There were three daughters fondly loved by sin—fornication, murder,(Other reading (φθόνος) ="envy.”) and idolatry. These three did not satisfy her, for she is not to be satisfied. In destroying man by these actions, sin never varies, but only grows continually. For the fourth, he continues, is never content to say “enough,” meaning that it is universal lust. In naming the “fourth,” he intends lust in the universal. For as the body is one, and yet has many members; so also sin, being one, contains within it many various lusts by which it lays its snares for men. Wherefore, in order to teach us this, he uses the examples of Sheol (Hades), and the love of women, and hell( [The place of torment (2 Pet. ii. 4). Vol. iv. 140.]) (Tartarus), and the earth that is not filled with water. And water and fire, indeed, will never say, “It is enough.” And the grave( [Sheol, rather,—the receptacle of departed spirits. See vol. iii. pp. 59 and 595; also vol. iv. p. 194.]) (Hades)...
